Manufacture of automotive decoration supplies; sale of automotive decoration supplies; manufacture of high-speed rail equipment and accessories; sale of high-speed rail equipment and accessories; manufacture of railway locomotive and rolling stock parts; sale of railway locomotive and rolling stock parts; sale of daily-use department store goods; sale of daily-use articles; manufacture of plastic products; sale of plastic products; manufacture of automotive parts and accessories; wholesale of automotive parts; retail of automotive parts; sale of leather products; sale of arts and crafts and ceremonial supplies (excluding ivory and its products); sale of labor protection supplies; sale of metal materials; sale of building materials; wholesale of hardware products; retail of hardware products; sale of household appliances; sale of mechanical equipment; manufacture of molds; sale of molds; import and export of goods; technology import and export; business training (excluding educational training, vocational skills training, and other training requiring permits); technical services, technology development, technical consulting, technical exchange, technology transfer, technology promotion; research and development of new materials technology.